4421440404 has 96 divisors (see below), whose sum is σ = 11637230080. Its totient is φ = 1469664000.

The previous prime is 4421440381. The next prime is 4421440409. The reversal of 4421440404 is 4040441244.

4421440404 is a `hidden beast` number, since 4 + 4 + 214 + 40 + 404 = 666.

It is a super-2 number, since 2×4421440404² = 39098270492247366432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421440409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5887029 + ... + 5887779.

Almost surely, 2^4421440404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4421440404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5818615040).

4421440404 is an abundant number, since it is smaller than the sum of its proper divisors (7215789676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4421440404 is an equidigital number, since it uses as much as digits as its factorization.

4421440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 4421440404 is about 66493.9125334041. The cubic root of 4421440404 is about 1641.2998325830.

Adding to 4421440404 its reverse (4040441244), we get a palindrome (8461881648).

The spelling of 4421440404 in words is "four billion, four hundred twenty-one million, four hundred forty thousand, four hundred four".